Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2021+317 (independent mode)

Data - Demeaned data - BVID - NED - MOJAVE - SIMBAD - PanSTARRS-1

Right ascension: 305.8292391333844°
Declination: 31.8839737353792°
No. sessions: 49
No. delays: 1747
Defining: No
RMS(α cos δ) = 0.9323 mas
RMS(δ) = 1.2349 mas

Observed in only 49 session(s)

Quarterly time series for 2021+317

Data - Demeaned data

Right ascension: 305.8292388519080°
Declination: 31.8839738079755°
No. sessions: 48
No. delays: 1746
Defining: No
RMS(α cos δ) = 0.2956 mas
RMS(δ) = 0.3684 mas

Observed in only 48 session(s)